Both 104+ products are great for collector cars, to help reduce knocks, pings and hesitation. Also improves gas mileage, acceleration, and cleans your entire fuel system. 104+ Max doubles the octane boost of regular 104+.
• Boosts power
• Improves gas mileage
• Cleans fuel injectors and the complete fuel system
• Safe for catalytic converters and oxygen sensors
• Does not contain harmful MMT